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Figure 5
Two-dimensional difference Fourier electron-density maps of the Hc phase. Positive contour levels from 0 e Å−3, step 0.03 e Å−3; negative contour levels at 0 e Å−3. (a) Projection perpendicular to the z axis (z = 0.095), the carbonate group (carbon in blue, oxygen in red) imposed in the projection at z = 0.083. (b) Projection perpendicular to the y axis (y = 0.000).

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 68| Part 5| August 2012| Pages 493-500
doi:10.1107/S010876811203042X
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